Complexity

Research Article

A New Image Encryption Scheme Based on Hybrid Chaotic Maps

Table 6

Result of the NIST (SP800) test suite.
Test name valueResult
Frequency 0.338753490Success
Block frequency 0.375654387Success
Runs (M = 10.000) 0.374565348Success
Long runs of ones 0.334567898Success
Rank 0.345345266Success
Spectral DFT 0.464527Success
No overlapping templates 0.527653Success
Universal (L = 7, Q = 1280, K = 141 577) 0.264534567Success
Lempel–Ziv complexity 0.565435Success
Linear complexity 0.384534167Success
Serial value 10.492345123Success
Serial value 20.424355767Success
Approximate entropy 0.543556665Success
Cumulative sums forward 0.345456565Success
Cumulative sums reverse 0.287662009Success
Random excursionsX = −40.535435Success
 X = −30.675656Success
 X = −20.434521Success
 X = −10.429843Success
 X = 10.512344Success
 X = 20.576545Success
 X = 30.496565Success
 X = 40.486632Success